Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: limsan20122

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.003 second

Submitted On: 2025-09-29 12:46:00

#include <iostream>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int x=0;
    int y=0;
    int z=4;
    cin >> x;
    if(x==0){
        cout  << "0";
    }else{
    for(int i=0;i<x;i++){
        y+=z;
        z+=6;
    }
    cout << y;
    }
    return 0;
}